content: package org.opencv.core;
  
  //javadoc:Range
  public class Range {
  
      public int start, end;
  
      public Range(int s, int e) {
          this.start = s;
          this.end = e;
      }
  
      public Range() {
          this(0, 0);
      }
  
      public Range(double[] vals) {
          set(vals);
      }
  
      public void set(double[] vals) {
          if (vals != null) {
              start = vals.length > 0 ? (int) vals[0] : 0;
              end = vals.length > 1 ? (int) vals[1] : 0;
          } else {
              start = 0;
              end = 0;
          }
  
      }
  
      public int size() {
          return empty() ? 0 : end - start;
      }
  
      public boolean empty() {
          return end <= start;
      }
  
      public static Range all() {
          return new Range(Integer.MIN_VALUE, Integer.MAX_VALUE);
      }
  
      public Range intersection(Range r1) {
          Range r = new Range(Math.max(r1.start, this.start), Math.min(r1.end, this.end));
          r.end = Math.max(r.end, r.start);
          return r;
      }
  
      public Range shift(int delta) {
          return new Range(start + delta, end + delta);
      }
  
      public Range clone() {
          return new Range(start, end);
      }
  
      @Override
      public int hashCode() {
          final int prime = 31;
          int result = 1;
          long temp;
          temp = Double.doubleToLongBits(start);
          result = prime * result + (int) (temp ^ (temp >>> 32));
          temp = Double.doubleToLongBits(end);
          result = prime * result + (int) (temp ^ (temp >>> 32));
          return result;
      }
  
      @Override
      public boolean equals(Object obj) {
          if (this == obj) return true;
          if (!(obj instanceof Range)) return false;
          Range it = (Range) obj;
          return start == it.start && end == it.end;
      }
  
      @Override
      public String toString() {
          return "[" + start + ", " + end + ")";
      }
  }
  